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Abstract:

Baushing could make by powder metallurgy, to achive high density compacting process in high temperature. Wherever in high temperature the material in plastic condition. The material of bushing using aluminum powder, and temperatur hot pressing were 100, 200 and 300 oC.
The result of the research was show that matrix of structure micro was aluminun and porosity was black between grains structure. The porosity was decreasing so the density was creasing, the hardness and the wear resistance were creasing with creasing hot pressing temperature. Hot pressing with temperature more than 300 oC, could not achiv, because the device only reached that temperature.